The Wacker Neuson is a genuine OEM Tappet Adjustment Nut designed for a wide range of Wacker Neuson vibratory rammers and single-direction vibratory plate compactors. This part fits the BS50-4As, BS60-4As, BS65-4As, BS68-4A/28, BS70-4As, BS72-4As, and MS64A rammer series, as well as the VP1030A and WP1030A vibratory plate lines. As a factory-sourced component, the is produced to the same specification as the original hardware installed at the point of manufacture. Correct valve clearance depends on this nut holding its set position reliably, making part quality a direct factor in engine longevity and consistent performance across compaction cycles.
Key Features
- Genuine OEM Thread Integrity — Machined to the original thread pitch and torque specification, so the adjustment holds after tightening without backing off under vibration.
- Drop-In Fitment for BS and VP/WP Families — Installs directly onto the tappet adjuster screw with no rework; compatible across the BS50-4As, BS60-4As, BS65-4As, BS68-4A/28, BS70-4As, BS72-4As, MS64A, VP1030A, and WP1030A platforms.
- Broad Model Coverage — A single part number spans multiple BS-series rammers and VP/WP-series plates, simplifying parts stocking for fleets running mixed Wacker Neuson equipment.
- Valve Train Stability Under High-Cycle Vibration — Rammers and plate compactors operate under sustained mechanical vibration; this nut is built to maintain its lock position so valve clearance stays within spec between service intervals.
- Fuel System and Engine Safety Relevance — Incorrect valve clearance caused by a loose or worn adjustment nut can lead to hard starting, power loss, or engine damage; replacing a worn nut restores safe operating conditions.
The Tappet Adjustment Nut is a locking nut used in the valve train of four-stroke small engines to secure the tappet adjuster screw at the correct valve clearance setting. Once the adjuster screw is set to the specified gap between the rocker arm and valve stem, this nut is tightened against the screw to hold that position during engine operation. If the nut is worn, cross-threaded, or loses its clamping force under vibration, the valve clearance will drift out of specification — typically causing rough running, loss of compression, increased fuel consumption, or difficulty starting. Replacing a damaged or fatigued adjustment nut is a routine part of valve adjustment service and restores proper engine breathing and power output.
Part Details
| Part Number | 5000162174 |
|---|---|
| Old Part Number | 0162174 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Tappet Adjustment Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Value Vibratory Plate, 10 kN, 300mm/12in | VP1030A | 5000008701, 5000630047 |
| BS 50-4As 280 mm shoe | BS50-4As | 5100015099, 5200018219, 5200018226, 5100027197, 5100025357 |
| BS 60-4As 280 mm shoe | BS60-4As | 5100015123, 5200014910, 5200018232, 5200018231, 5200018233, 5100027198 |
| BS 70-4As 280 mm shoe | BS70-4As | 5100015124, 5100015126, 5100027199 |
| MS64A Vibratory Rammer, 11" | MS64A | 5200014899 |
| VP1030Aw | VP1030AW | 5000009514, 5000630423 |
| Single direction vibratory plate WP1030A | WP1030A | 5000630015 |
| Single Direction Plate | WP1030Aw | 5000630110 |
| BS50-4AS 11IN US | BS50-4As 11in US | 5100030598 |
| BS50-4As 11in | BS50-4As 11in | 5100030599 |
| BS60-4AS 11IN US | BS60-4As 11in US | 5100030605, 5100054151 |
| BS60-4As 11in | BS60-4As 11in | 5100030606, 5100037562, 5100051581 |
| BS70-4As 11in US | BS70-4As 11in US | 5100030610 |
| BS70-4As 11IN | BS70-4As 11in | 5100030611 |
| Rammer BS60-4As 11in CN | BS60-4As 11in CN | 5100058869 |
| BS65-4As 11in | BS65-4As 11in | 5100061307 |
| BS72-4As 11in | BS72-4As 11in | 5100061309 |
| BS62-4Ab/28 | BS62-4Ab/28 | 5100061966, 5100070526 |
| BS68-4Ab/28 | BS68-4Ab/28 | 5100061970, 5100070525, 5100070527 |
| 4 stroke rammer BS50-4As, 280 mm adapter | BS50-4As 11in o. bsz | 5100068310 |
| BS62-4A/28 | BS62-4A/28 | 5100068373 |
| BS68-4A/28 | BS68-4A/28 | 5100068375 |
| BS68-4A/28 CN | BS68-4A/28 CN | 5100070152 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
